PCB No. 21, 100µg/ml in Isooctane, 1ml Back Catalog number: 66021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52224 CLP ILM 03.0 Interferents A Price on request 79407 Benzo(k)fluoranthene Price on request 674615 D7-Benzyldimethyldodecylammonium chloride, 10mg Price on request